UnnecessarySemicolonInTryWithResources
Since Checkstyle 8.22
Description
Checks if unnecessary semicolon is used in last resource declaration.
Properties
| name | description | type | default value | since |
|---|---|---|---|---|
| allowWhenNoBraceAfterSemicolon | Allow unnecessary semicolon if closing parenthesis is not on the same line. | boolean | true |
8.22 |
Examples
To configure the check:
<module name="Checker">
<module name="TreeWalker">
<module name="UnnecessarySemicolonInTryWithResources"/>
</module>
</module>
Example of violations
class Example1 {
void method() throws IOException {
try (Reader r1 = new PipedReader();) {} // violation, 'Unnecessary semicolon'
try (Reader r4 = new PipedReader(); Reader r5 = new PipedReader()
;) {} // violation, 'Unnecessary semicolon'
try (Reader r6 = new PipedReader();
Reader r7
= new PipedReader(); // ok, closing parenthesis is not on the same line
) {}
}
}
To configure the check to detect unnecessary semicolon if closing parenthesis is not on the same line
<module name="Checker">
<module name="TreeWalker">
<module name="UnnecessarySemicolonInTryWithResources">
<property name="allowWhenNoBraceAfterSemicolon" value="false"/>
</module>
</module>
</module>
Example of exclusion
class Example2 {
void method() throws IOException {
try (Reader r1 = new PipedReader();) {} // violation, 'Unnecessary semicolon'
try (Reader r4 = new PipedReader(); Reader r5 = new PipedReader()
;) {} // violation, 'Unnecessary semicolon'
try (Reader r6 = new PipedReader();
Reader r7
= new PipedReader(); // violation, 'Unnecessary semicolon'
) {}
}
}
Example of Usage
Violation Messages
All messages can be customized if the default message doesn't suit you. Please see the documentation to learn how to.
Package
com.puppycrawl.tools.checkstyle.checks.coding